CN203166360U - Switch cabinet valve opening trolley - Google Patents

Switch cabinet valve opening trolley Download PDF

Info

Publication number
CN203166360U
CN203166360U CN 201320140925 CN201320140925U CN203166360U CN 203166360 U CN203166360 U CN 203166360U CN 201320140925 CN201320140925 CN 201320140925 CN 201320140925 U CN201320140925 U CN 201320140925U CN 203166360 U CN203166360 U CN 203166360U
Authority
CN
China
Prior art keywords
brake cable
connecting rod
switch cubicle
side lever
joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201320140925
Other languages
Chinese (zh)
Inventor
高扬
徐近龙
沈毅
田国樑
李毅
方宇
韦功习
何平
季庆州
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Suzhou Power Supply Co Ltd of Jiangsu Electric Power Co
Original Assignee
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Suzhou Power Supply Co Ltd of Jiangsu Electric Power Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Jiangsu Electric Power Co Ltd, Suzhou Power Supply Co Ltd of Jiangsu Electric Power Co filed Critical State Grid Corp of China SGCC
Priority to CN 201320140925 priority Critical patent/CN203166360U/en
Application granted granted Critical
Publication of CN203166360U publication Critical patent/CN203166360U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Mechanically-Actuated Valves (AREA)

Abstract

The utility model relates to a switch cabinet valve opening trolley, which comprises a connecting rod mechanism, a joint mechanism, a joint adjusting mechanism and a power assisting mechanism, wherein the connecting rod mechanism comprises a horizontal connecting rod and a longitudinal connecting rod; the joint mechanism comprises joint assemblies arranged at two ends of the horizontal connecting rod, and the joint assembly comprises a side rod and a pair of driving joints; the joint adjusting mechanism comprises a brake cable, a first brake cable fixing portion arranged on the longitudinal connecting rod, a control device, a second brake cable fixing portion arranged on one driving joint, and a brake cable movable portion arranged on the other driving joint, the brake cable is sequentially connected to the second brake cable fixing portion, the brake cable movable portion and the first brake cable fixing portion of one group of the joint assembly, and the brake cable movable portion and the second brake cable fixing portion of the other group of the joint assembly; and the power assisting mechanism comprises an operating rod. The switch cabinet valve opening trolley can assist people to open a valve, ensure the safety of workers and equipment, and can eliminate a fault of mechanical clamping stagnation of the valve. The switch cabinet valve opening trolley is simple in structure and high in practicability.

Description

The switch cubicle valve is opened dolly
Technical field
The utility model relates to a kind of for the auxiliary unlatching dolly of opening the valve of switch cubicle.
Background technology
State Grid Corporation of China's " power transmission and transformation equipment state overhauling rules " requires need carry out the charged phase sequence work of checking for the converting equipment after new throwing transformer station and the overhaul technological transformation.In checking the process of phase sequence, because the present structure of equipment and lack corresponding specific purpose tool, make operating personnel must enter in the switch cubicle and manually promote the drive unit of valve and valve is opened, this moment, the distance of staff and charged contact only was slightly larger than 0.7 meter, just reach the regulation safe distance of 10kV equipment, but the personal safety to the staff still constitutes greatly threat like this, also brings potential safety hazard to equipment simultaneously.
By the discovery of consulting to technical bulletin, the mechanical bite fault of switch cubicle valve has become one of present switch cubicle main flow fault.And present valve arrangement is in when test position under the closed condition, must rely on operating personnel to enter in the switch cubicle and the manual valve drive unit of adjusting, and gets rid of the bite fault valve is opened.This kind mode is relatively more dangerous, easily causes operating personnel's electric shock accidents during operate miss, and fail safe is not high.And traditional valve mechanical breakdown is handled all needs bus to stop transport, and this brings massive losses to operation of power networks, particularly for the important line load, and impossible interruption maintenance, this has sizable hidden danger to operation of power networks.
Summary of the invention
The purpose of this utility model provides a kind of dolly of can charged unlatching switch cubicle valve and can handle valve bite fault under the condition of not stopping bus.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of switch cubicle valve is opened dolly, the valve that is used for the switch cubicle of unlatching transformer station, described switch cubicle is provided with and drives the valve drive unit that described valve is opened, and described switch cubicle valve is opened dolly and comprised linkage, joint mechanism, joint adjusting mechanism, servomechanism;
Described linkage comprises can regulate length and the tranverse connecting rod that extends along directions X, be vertically connected at the middle part of described tranverse connecting rod and the vertical connecting rod that extends along Y-direction;
Described joint mechanism comprises symmetrical two a windings assembly that is arranged at described tranverse connecting rod two ends, described adapter assembly comprises the side lever that is connected with described tranverse connecting rod and extends along the Z direction, be arranged at matching with described valve drive unit on the described side lever merges a pair of drive sub that can move along the Z direction, and described drive sub is arranged on the described side lever by joint connection;
Described joint adjusting mechanism comprises brake cable, the first brake cable standing part that is arranged on the described vertical connecting rod and can moves along Y-direction, drive the control device that the described first brake cable standing part moves along Y-direction, be arranged at the second brake cable standing part in the described drive sub in every group of described adapter assembly and the brake cable movable part in another described drive sub, described brake cable is connected in the second brake cable standing part and the brake cable movable part that is positioned on one group of described adapter assembly successively, the described first brake cable standing part, be positioned at another and organize brake cable movable part and the second brake cable standing part on the described adapter assembly, and described brake cable and the described first brake cable standing part and the described second brake cable standing part are fixedly connected, flexibly connect with described brake cable movable part phase-splitting;
Described servomechanism comprises the action bars that is connected with described linkage and extends along Y-direction, and described action bars and described vertical connecting rod are positioned at the homonymy of described tranverse connecting rod.
Preferably, described tranverse connecting rod comprises first cross bar, be arranged at described first cross bar two ends and with its two second cross bars in the same way, offer first slotted hole that extends along directions X on described first cross bar, described second cross bar is connected in the two ends of described first cross bar by first screw that matches with described first slotted hole, and described joint mechanism is arranged on described second cross bar.
Preferably, the cross section of described first cross bar is the rectangular frame that does not seal and the intracavity space that forms rectangle, and described second cross bar inserts in the described intracavity space.
Preferably, be provided with track in the described switch cubicle, the bottom of described side lever is provided with several rollers that match with described track.
Preferably, the bottom of each described side lever is provided with two described rollers, and the bottom of described side lever is set with the installing rack that extends along Y-direction, and described roller is arranged along Y-direction and is installed on the described installing rack.
Preferably, described joint connection comprises second slotted hole that is opened on the described side lever and extends along the Z direction, second screw that matches with described second slotted hole, described drive sub and described second screw are fixedly connected and are positioned at the outside of described side lever, the described second brake cable standing part or described brake cable movable part and described second screw are fixedly connected and are positioned at the inboard of described side lever, also are provided with between described drive sub and the described side lever along the flexible spring of described Z direction.
Preferably, offer the 3rd slotted hole along Y-direction on the described vertical connecting rod, described control device comprises the power set that are arranged at the worm screw in the described vertical connecting rod, the nut that matches with described worm screw, the described worm screw rotation of driving along Y-direction, and the described first brake cable standing part passes described the 3rd slotted hole and described nut is fixedly connected.
Preferably, described power set comprise the end that is arranged at described vertical connecting rod and the bent handle that is connected with described worm screw.
Preferably, described linkage is provided with two described action bars, the both sides of the directions X that is arranged at described vertical connecting rod that described action bars is symmetrical, an end of described action bars is fixedly connected on the described tranverse connecting rod, and the other end of described action bars is provided with operating handle.
Preferably, described action bars is connected with described linkage by standard screw.
Because technique scheme is used, the utility model compared with prior art has following advantage: switch cubicle valve of the present utility model is opened the valve that dolly can the ancillary staff be opened switch cubicle, thereby the distance that increases staff and charged contact guarantees the safety of staff and equipment, and can under the situation of not stopping bus, get rid of the mechanical bite fault of valve, guarantee operation of power networks.It is simple in structure, simple operation, practical, has higher promotional value.
Description of drawings
Accompanying drawing 1 is the stereogram that switch cubicle valve of the present utility model is opened dolly.
Accompanying drawing 2 is the stereogram that switch cubicle valve of the present utility model is opened dolly.
Accompanying drawing 3 is the stereogram that switch cubicle valve of the present utility model is opened dolly.
Accompanying drawing 4 is the front view that switch cubicle valve of the present utility model is opened dolly.
Accompanying drawing 5 is the rearview that switch cubicle valve of the present utility model is opened dolly.
Accompanying drawing 6 is the vertical view that switch cubicle valve of the present utility model is opened dolly.
Accompanying drawing 7 is the left view that switch cubicle valve of the present utility model is opened dolly.
In the above accompanying drawing: 1, tranverse connecting rod; 2, vertical connecting rod; 3, first cross bar; 4, second cross bar; 5, first slotted hole; 6, first screw; 7, wing screw; 8, double threaded screw; 9, adapter assembly; 10, side lever; 11, drive sub; 12, second slotted hole; 13, second screw; 14, installing rack; 15, roller; 16, the first brake cable standing part; 17, control device; 18, the second brake cable standing part; 19, brake cable movable part; 20, the 3rd slotted hole; 21, worm screw; 22, bent handle; 23, spring; 24, action bars; 25, standard screw; 26, operating handle.
Embodiment
Be further described below in conjunction with the utility model of embodiment shown in the drawings.
Embodiment one: referring to accompanying drawing 1 to shown in the accompanying drawing 7.Switch cubicle in the transformer station has openable valve, is provided with in the switch cubicle to drive the valve drive unit of valve unlatching and be provided with track.
A kind of switch cubicle valve of opening valve by the valve drive unit for the ancillary staff is opened dolly, and it comprises linkage, joint mechanism, joint adjusting mechanism, servomechanism.
Linkage comprises can regulate length and the tranverse connecting rod 1 that extends along directions X, be vertically connected at the middle part of tranverse connecting rod 1 and the vertical connecting rod 2 that extends along Y-direction.Wherein, tranverse connecting rod 1 comprise first cross bar 3, be arranged at first cross bar 3 two ends and with its two second cross bars 4 in the same way.The cross section of first cross bar 3 is the rectangular frame that does not seal and the intracavity space that forms rectangle, and second cross bar 4 inserts in the intracavity space and can slide along directions X therein.Offer two first slotted holes 5 that extend along directions X on first cross bar 3, corresponding with two second cross bars 4 respectively, second cross bar 4 is connected in the two ends of first cross bar 3 by first screw 6 that matches with first slotted hole 5.First screw 6 can adopt wing screw 7 and double threaded screw 8 to cooperate and fix first cross bar 3 and second cross bar 4.When needs are regulated the length of tranverse connecting rod 1, unscrew first screw 6 and make first cross bar 3 and second cross bar, the 4 relative correct positions that slide into again, screw first screw 6 at last and get final product.Vertical connecting rod 2 adopts the rod member with a bending place, and the one end is weldingly fixed on the central authorities of tranverse connecting rod 1, namely is weldingly fixed on the central authorities of first cross bar 3.
Joint mechanism is arranged on second cross bar 4.Joint mechanism comprises symmetrical two a windings assembly 9 that is arranged at tranverse connecting rod 1 two ends.Adapter assembly 9 comprises the side lever 10 that is connected with tranverse connecting rod 1 and extends along the Z direction, be arranged at matching with the valve drive unit on the side lever 10 merges a pair of drive sub 11 that can move along the Z direction.Drive sub 11 is arranged on the side lever 10 by joint connection.Joint connection comprises second slotted hole 12 that is opened on the side lever 10 and extends along the Z direction, second screw 13 that matches with second slotted hole 12; Drive sub 11 and second screw 13 are fixedly connected and are positioned at the outside (should " outside " referring to deviate from the side lever 10 side of tranverse connecting rod 1) of side lever 10.The cross section of side lever 10 is the rectangular frame for not sealing also, bending that the side that " inboard " refers to close tranverse connecting rod 1 on the side lever 10 (is somebody's turn to do) to its inboard in the two ends of the Y-direction of side lever 10.The bottom of side lever 10 is set with the installing rack 14 that extends along Y-direction, and each installing rack 14 is provided with two rollers 15, and roller 15 is arranged along Y-direction and is installed on the installing rack 14, and the interior track of this roller 15 and switch cubicle matches.
The first brake cable standing part 16 that the joint adjusting mechanism comprises brake cable (brake cable is not shown in the accompanying drawings), be arranged on the vertical connecting rod 2 and can move along Y-direction, drive control device 17 that the first brake cable standing part 16 moves along Y-direction, be arranged at the second brake cable standing part 18 in the drive sub 11 in every winding assembly 9 and the brake cable movable part 19 in another drive sub 11.Wherein, on each adapter assembly 9, the second brake cable standing part 18 is arranged in that drive sub 11 that is positioned at the below, and brake cable movable part 19 is arranged in that drive sub 11 that is positioned at the top.
It is hollow-core construction that the top of vertical connecting rod 2 offers along at least a portion of the 3rd slotted hole 20 of Y-direction and vertical connecting rod 2.Control device 17 comprises the power set that are arranged at the worm screw 21 in the vertical connecting rod 2, the nut that matches with worm screw 21,21 rotations of driving worm screw along Y-direction, and the first brake cable standing part 16 passes the 3rd slotted hole 20 and is fixedly connected with nut.Power set comprise the end that is arranged at vertical connecting rod 2 and the bent handle 22 that is connected with worm screw 21.When hand bent handle 22, it drives worm screw 21 and rotates, thus impel nut drive the first brake cable standing part 16 along worm screw 21 axially, namely Y-direction moves.
Be positioned at second screw 13 that drive sub 11 of below is connected in the second brake cable standing part 18 and the every winding assembly 9 and be connected, and it is positioned at the inboard of side lever 10; Brake cable movable part 19 then with every winding assembly 9 in be positioned at the top second screw 13 that is connected of that drive sub 11 be connected, and it also is positioned at the inboard of side lever 10.That is to say, the second brake cable standing part 18 and brake cable movable part 19 all be arranged at the end of bending of side lever 10 formed in the concave space.Also be provided with between drive sub 11 and the side lever 10 along the flexible spring 23 of Z direction.Wherein, the spring 23 that is connected with the drive sub 11 of top is positioned at the inboard of side lever 10, and the one end is fixedly connected on the upper end of side lever 10, and the other end is by being connected with drive sub 11 with being connected of brake cable movable part 19.The spring 23 that is connected with the drive sub 11 of below then is positioned at the outside of side lever 10, and the one end is by on the installing rack 14 that is fixedly connected on side lever 10 bottoms and be connected with side lever 10, and the other end directly is connected with drive sub 11.
Brake cable is connected in the second brake cable standing part 18 and brake cable movable part 19, the first brake cable standing part 16 that are positioned on the winding assembly 9 successively, is positioned at brake cable movable part 19 and the second brake cable standing part 18 on another winding assembly 9, and brake cable is fixedly connected with the first brake cable standing part 16 and the second brake cable standing part 18, flexibly connect mutually with brake cable movable part 19.When the first brake cable standing part 16 moves along Y-direction, can make by the pulling function of brake cable in every winding assembly 9 two drive subs 11 along the Z direction mutually near or away from, thereby regulate distance between the two.And in the process that drive sub 11 is moved, then can impel spring 23 that elastic deformation takes place.
Servomechanism comprises two action bars 24 that are connected with linkage and extend along Y-direction.Action bars 24 and vertical connecting rod 2 are positioned at the homonymy of tranverse connecting rod 1, and the both sides of the symmetrical directions X that is arranged at vertical connecting rod 2.One end of action bars 24 is fixedly connected on the tranverse connecting rod 1 by standard screw 25, and the other end of action bars 24 is provided with operating handle 26.This action bars 24 and operating handle 26 adopt the epoxide resin material of insulation to make.
When this switch cubicle valve is opened dolly in use, the staff can promote this dolly by hand-held handle 26, make its track in switch cubicle mobile, its drive sub 11 cooperation that is connected with the valve drive unit of switch cubicle, thereby make the staff can be in the larger distance scope valve of indirect pull switch cabinet, thereby guarantee personal security.Can regulate distance between the drive sub 11 by the joint adjusting mechanism, thereby the width of control drive sub 11, adjustable tranverse connecting rod 1 then can make the integral width of dolly can be adjusted, so that its valve that can be common to the switch cubicle of multiple model is opened.In addition, can also stopper slot be set in drive sub 11, successfully open valve rear drive joint 11 and can be fixed on the corresponding position thereby make.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection range of the present utility model.

Claims (10)

1. a switch cubicle valve is opened dolly, the valve that is used for the switch cubicle of unlatching transformer station, described switch cubicle is provided with and drives the valve drive unit that described valve is opened, and it is characterized in that: described switch cubicle valve is opened dolly and is comprised linkage, joint mechanism, joint adjusting mechanism, servomechanism;
Described linkage comprises can regulate length and the tranverse connecting rod that extends along directions X, be vertically connected at the middle part of described tranverse connecting rod and the vertical connecting rod that extends along Y-direction;
Described joint mechanism comprises symmetrical two a windings assembly that is arranged at described tranverse connecting rod two ends, described adapter assembly comprises the side lever that is connected with described tranverse connecting rod and extends along the Z direction, be arranged at matching with described valve drive unit on the described side lever merges a pair of drive sub that can move along the Z direction, and described drive sub is arranged on the described side lever by joint connection;
Described joint adjusting mechanism comprises brake cable, the first brake cable standing part that is arranged on the described vertical connecting rod and can moves along Y-direction, drive the control device that the described first brake cable standing part moves along Y-direction, be arranged at the second brake cable standing part in the described drive sub in every group of described adapter assembly and the brake cable movable part in another described drive sub, described brake cable is connected in the second brake cable standing part and the brake cable movable part that is positioned on one group of described adapter assembly successively, the described first brake cable standing part, be positioned at another and organize brake cable movable part and the second brake cable standing part on the described adapter assembly, and described brake cable and the described first brake cable standing part and the described second brake cable standing part are fixedly connected, flexibly connect with described brake cable movable part phase-splitting;
Described servomechanism comprises the action bars that is connected with described linkage and extends along Y-direction, and described action bars and described vertical connecting rod are positioned at the homonymy of described tranverse connecting rod.
2. switch cubicle valve according to claim 1 is opened dolly, it is characterized in that: described tranverse connecting rod comprises first cross bar, be arranged at described first cross bar two ends and with its two second cross bars in the same way, offer first slotted hole that extends along directions X on described first cross bar, described second cross bar is connected in the two ends of described first cross bar by first screw that matches with described first slotted hole, and described joint mechanism is arranged on described second cross bar.
3. switch cubicle valve according to claim 2 is opened dolly, it is characterized in that: the cross section of described first cross bar is the rectangular frame that does not seal and the intracavity space that forms rectangle, and described second cross bar inserts in the described intracavity space.
4. switch cubicle valve according to claim 1 is opened dolly, and it is characterized in that: be provided with track in the described switch cubicle, the bottom of described side lever is provided with several rollers that match with described track.
5. switch cubicle valve according to claim 4 is opened dolly, it is characterized in that: the bottom of each described side lever is provided with two described rollers, the bottom of described side lever is set with the installing rack that extends along Y-direction, and described roller is arranged along Y-direction and is installed on the described installing rack.
6. switch cubicle valve according to claim 1 is opened dolly, it is characterized in that: described joint connection comprises second slotted hole that is opened on the described side lever and extends along the Z direction, second screw that matches with described second slotted hole, described drive sub and described second screw are fixedly connected and are positioned at the outside of described side lever, the described second brake cable standing part or described brake cable movable part and described second screw are fixedly connected and are positioned at the inboard of described side lever, also are provided with between described drive sub and the described side lever along the flexible spring of described Z direction.
7. switch cubicle valve according to claim 1 is opened dolly, it is characterized in that: offer the 3rd slotted hole along Y-direction on the described vertical connecting rod, described control device comprises the power set that are arranged at the worm screw in the described vertical connecting rod, the nut that matches with described worm screw, the described worm screw rotation of driving along Y-direction, and the described first brake cable standing part passes described the 3rd slotted hole and described nut is fixedly connected.
8. switch cubicle valve according to claim 7 is opened dolly, and it is characterized in that: described power set comprise the end that is arranged at described vertical connecting rod and the bent handle that is connected with described worm screw.
9. switch cubicle valve according to claim 1 is opened dolly, it is characterized in that: described linkage is provided with two described action bars, the both sides of the directions X that is arranged at described vertical connecting rod that described action bars is symmetrical, one end of described action bars is fixedly connected on the described tranverse connecting rod, and the other end of described action bars is provided with operating handle.
10. open dolly according to claim 1 or 9 described switch cubicle valve, it is characterized in that: described action bars is connected with described linkage by standard screw.
CN 201320140925 2013-03-26 2013-03-26 Switch cabinet valve opening trolley Expired - Lifetime CN203166360U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320140925 CN203166360U (en) 2013-03-26 2013-03-26 Switch cabinet valve opening trolley

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320140925 CN203166360U (en) 2013-03-26 2013-03-26 Switch cabinet valve opening trolley

Publications (1)

Publication Number Publication Date
CN203166360U true CN203166360U (en) 2013-08-28

Family

ID=49027520

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320140925 Expired - Lifetime CN203166360U (en) 2013-03-26 2013-03-26 Switch cabinet valve opening trolley

Country Status (1)

Country Link
CN (1) CN203166360U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103219659A (en) * 2013-03-26 2013-07-24 江苏省电力公司苏州供电公司 Trolley for opening valve of switch cabinet
CN107910792A (en) * 2017-10-09 2018-04-13 国网浙江省电力公司湖州供电公司 A kind of floor type handcart switchgear integral track
CN110880708A (en) * 2019-12-06 2020-03-13 王有斌 Special tool for opening high-voltage switch cabinet partition

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103219659A (en) * 2013-03-26 2013-07-24 江苏省电力公司苏州供电公司 Trolley for opening valve of switch cabinet
CN103219659B (en) * 2013-03-26 2015-11-18 江苏省电力公司苏州供电公司 Switch cabinet shutter opens dolly
CN107910792A (en) * 2017-10-09 2018-04-13 国网浙江省电力公司湖州供电公司 A kind of floor type handcart switchgear integral track
CN107910792B (en) * 2017-10-09 2019-04-19 国网浙江省电力公司湖州供电公司 A kind of floor type handcart switchgear integral track
CN110880708A (en) * 2019-12-06 2020-03-13 王有斌 Special tool for opening high-voltage switch cabinet partition

Similar Documents

Publication Publication Date Title
CN203166360U (en) Switch cabinet valve opening trolley
CN203871668U (en) Operation mechanism outside electrical cabinet switch door
CN205206469U (en) Intelligent security of transformer substation rail
CN103219659A (en) Trolley for opening valve of switch cabinet
CN205400487U (en) A protection against rodents door structure for transformer substation
CN203103785U (en) Distribution box
CN204927109U (en) Direct current high speed circuit -breaker handcart impels interlock device
CN110829258A (en) Opening tool for static contact baffle of 10kV handcart type switch cabinet
CN206364419U (en) In put the electricity check trolley for removing enclosed switchgear
WO2015114421A1 (en) Electrical switchgear
CN204391588U (en) A kind of circuit breaker chassis of middle gate interlock
CN102867666A (en) Mechanical interlock device of explosion-proof control box
CN205282901U (en) Box high tension switchgear
CN113013770A (en) Modular drawing type mutual inductor for switch cabinet
CN203891915U (en) Mining non-pressure ventilation door
CN114362021A (en) Valve locking device in armored movable metal-enclosed switchgear
CN202602130U (en) KYN-28 type electrical test auxiliary device for high voltage switch cabinet
CN104269762A (en) Safe tool for axuilairily overhauling 10kV switch cabinet and use method thereof
CN202816731U (en) Mechanical interlocking device of explosion-proof control box
CN105633847A (en) High-voltage enclosed switch cabinet
CN205657332U (en) Can prevent cubical switchboard of maloperation
CN204067867U (en) A kind of voltage transformer cabinet
CN218482583U (en) Modular drawing type mutual inductor for switch cabinet
CN214850074U (en) Modularization pull formula earthing switch
CN202513063U (en) Back-door locking device for 10 kV switch cabinet

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130828

Effective date of abandoning: 20151118

C25 Abandonment of patent right or utility model to avoid double patenting